Home / 25,757.64-38,617.56-8,217.36

Finding the Fourth Proportional to 25,757.64, 38,617.56 and 8,217.36

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Solution

The fourth proportional to 25,757.64, 38,617.56 and 8,217.36 is: 12,320.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,757.64 : 38,617.56 = 8,217.36 : x
  2. Step 2: Convert to fraction form
    25,757.64/38,617.56 = 8,217.36/x
  3. Step 3: Cross multiply
    25,757.64x = 38,617.56 × 8,217.36
  4. Step 4: Simplify right side
    25,757.64x = 317,334,392.84
  5. Step 5: Solve for x
    x = 317,334,392.84/25,757.64
  6. Step 6: Final answer
    x = 12,320.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.